Support old json marshaling (#108)

Signed-off-by: Tamal Saha <[email protected]>

apis/config/v1alpha1/setupconfig_types.go

@@ -17,6 +17,8 @@ limitations under the License.
 package v1alpha1
 
 import (
+	"encoding/json"
+
 	cloudv1alpha1 "go.bytebuilders.dev/resource-model/apis/cloud/v1alpha1"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -116,11 +118,31 @@ type SelfManagementOptions struct {
 	// +optional
 	CreateCAPICluster bool `json:"createCAPICluster"`
 	// +optional
-	EnableFeatures map[string]FeatureSetOptions `json:"enableFeatures"`
+	EnableFeatures EnableFeaturesOptions `json:"enableFeatures"`
 	// +optional
 	DisableFeatures []string `json:"disableFeatures"`
 }
 
+type EnableFeaturesOptions map[string]FeatureSetOptions
+
+func (opts *EnableFeaturesOptions) UnmarshalJSON(data []byte) error {
+	var nu map[string]FeatureSetOptions
+	if err := json.Unmarshal(data, &nu); err != nil {
+		var old map[string][]string
+		if err := json.Unmarshal(data, &old); err != nil {
+			return err
+		}
+		for fs, features := range old {
+			nu[fs] = FeatureSetOptions{
+				Enabled:  true,
+				Features: features,
+			}
+		}
+	}
+	*opts = nu
+	return nil
+}
+
 type FeatureSetOptions struct {
 	Enabled  bool     `json:"enabled"`
 	Features []string `json:"features"`